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an alternating voltage v250sin800t volts is applied across a series circuit having a 30 resistor and 50microf capacitor calculate a the circuit
q escape velocityan object will conquer the force of gravity when its kinetic energy in the direction away from earth exceeds its potential energy we
an alternating voltage given by v100sin240t volts is applied across a coil of resistance 32 and inductance 100mh verifya the circuit impedanceb the
a coil of inductance 3183mh and negligible resistance is linked in series with a 200 resistor to a 240v 50hz supply calculatea the inductive
q orbital velocity for low earth orbitneglecting air friction an object will sustain a low altitude orbit when the centrifugal force due to its
a coil havingof a resistance of 100 and an inductance of 200mhif an alternating voltage v givenby v200sin500t volts is applied across the coil
transform kinetic energy into vertical potential energya pole vaulter performs the extraordinary feat of converting his forward kinetic energy to
the voltage drops across two components when connected in series across an ac supply are v1 150sin 3142t and v2 90sin3142t -prod5 volts respectively
an alternating voltage is triangular in shape rising at a constant rate to a maximumof 300v in 8ms and then falling to zero at a constant rate in
q show constant moment armthe simplest case is that of a point mass and the moment of inertia can be immediately written
moment of inertiain this section we get formulae for determining the moment of inertia or second moment of a mass around an axis for several common
q ski saga problemjames bond is skiing down a snowy slope in an attempt to run off a hostile pursuer unfortunately the pursuer has a speed advantage
state whether the following statements are true or falsea the purpose of a transistor amplifier is to enhance the frequency of the input signalb
q hoop disk cylinder and spherea disk a hoop a cylinder and a sphere have the same mass and the same diameter every is rolled toward a ramp with the
utmost velocities in a quarter mileto verify the maximum speed possible for a wheel driven vehicle we will suppose that the coefficient of
figure shows the transfer characteristic for an n-p-n silicon transistorwhen the base current is 25ma verify a the value of collector currentb the
q determine the elapsed time in kinematicslets 1 c2 c4 thens 1 c21 c2 c4 s 1 c2s sos - c2s 1s1 - c2 1 and finallys 11 - c2we
in a wheatstone bridge pqrs a galvanometer is connected among q and s and a voltage source between p and r an unknown resistor rx is connected among
in a wheatstone bridge abcd a galvanometer is connected between a and c and a battery among b and da resistor of unknown value is connected among a
for the oscilloscope display of a pulse waveform shown in figure the timecm switch is on 50mscm and the voltscm switch is on 02vcm verify a the
a a current of 15a flows through a load having a resistance of 4omega determine the power dissipated in the loadb a wattmeter whose current coil has
when the current in the primary coil of 400 turns of a magnetic circuit enhances linearly from10ma to 35ma in 100ms an emf of 75mv is induced into
a silicon iron ring is wound with 800 turns the ring having a mean diameter of 120mm and a cross-sectional area of 400mm2if when carrying a current
an emf of 25v is induced in a coil of 300 turns when the flux linking with it alters by 12mwb find the time in milliseconds in which the flux makes
a rectangular coil of sides 8cm by 6cm is rotating in a magnetic field such that the longer sides cut the magnetic field calculate the maximum